linux-kernel - Re: [PATCH v3 1/6] string_helpers: add kstrdup

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Date:	Thu, 07 Apr 2016 01:05:50 -0700
From:	Joe Perches <joe@...ches.com>
To:	Kees Cook <keescook@...omium.org>, James Morris <jmorris@...ei.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Kalle Valo <kvalo@...eaurora.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Jiri Slaby <jslaby@...e.com>, Paul Moore <pmoore@...hat.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Casey Schaufler <casey@...aufler-ca.com>,
	Andreas Gruenbacher <agruenba@...hat.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/6] string_helpers: add kstrdup_quotable

On Wed, 2016-04-06 at 17:20 -0700, Kees Cook wrote:
> Handle allocating and escaping a string safe for logging.

trivia: should add const

> diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
[]
> @@ -68,4 +68,6 @@ static inline int string_escape_str_any_np(const char *src, char *dst,
>  	return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);
>  }
>  
> +char *kstrdup_quotable(char *src, gfp_t gfp);

char *kstrdup_quotable(const char *src, gfp_t gfp);